部分阶梯价格修改保存异常

src/views/ecw/productPrice/edit.vue

@@ -734,7 +734,7 @@ export default {
           this.form.priceStepList.forEach(item => {
             let notEmptyFields = ['startNum', 'endNum', 'weightUnit']
             notEmptyFields.forEach(field => {
-              if(!item[field] || item[field].toString().trim() == ''){
+              if(item[field].toString().trim() == ''){
                 stepPriceEmpty = true
               }
             })